S21E02The Simpsons season 21 episode 2: Bart Gets a 'Z'
Aired 4 October 200923 minRated TV-PG
Where to watch The Simpsons Season 21 in Australia
The Simpsons season 21 is streaming in Australia on Disney+ (subscription, listed for the whole show). You can also buy it on Apple TV from $24.99.
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Availability checked 16 November 2026.
What happens in “Bart Gets a 'Z'”
The fourth grade students of Springfield Elementary School decide to spike Ms. Krabappel's coffee in order to teach her a lesson after she takes away their cell phones. She is fired by Principal Skinner, who hires a new teacher named Zachary Vaughn. Although Vaughn is a hip young teacher who impresses the students, Bart is plagued by guilt and tries to get Ms. Krabappel hired back.
Episode summary: TMDB.
Before you watch
- It is episode 2 of 23 of season 21, so watch episode 1 first.
- It runs about 23 minutes.
- Directed by Mark Kirkland, written by Matt Selman.
- TMDB users rate it 6.3 out of 10 (28 votes).
The Simpsons trailer
The official trailer for the series (no preview of this episode has been published).
Play video: The Simpsons trailer
Cast and crew of this episode
- Director
- Mark Kirkland
- Writer
- Matt Selman
- Guest stars
- Marcia Wallace as Edna Krabappel (voice)
Credits: TMDB.
More from The Simpsons Season 21
Every episode of Season 21The Simpsons episode guide
Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.